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Posted to dev@flink.apache.org by "Matthias Pohl (Jira)" <ji...@apache.org> on 2022/12/21 09:10:00 UTC

[jira] [Created] (FLINK-30474) DefaultMultipleComponentLeaderElectionService triggers HA backend change even if it's not the leader

Matthias Pohl created FLINK-30474:
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             Summary: DefaultMultipleComponentLeaderElectionService triggers HA backend change even if it's not the leader
                 Key: FLINK-30474
                 URL: https://issues.apache.org/jira/browse/FLINK-30474
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
    Affects Versions: 1.15.3, 1.16.0, 1.17.0
            Reporter: Matthias Pohl


{{DefaultMultipleComponentLeaderElectionService}} calls {{LeaderElectionEventHandler#onLeaderInformationChange}} in any case even though the contracts of that method states that it should be only called by the leader to update the HA backend information (see [JavaDoc|https://github.com/apache/flink/blob/5a2f220e31c50306a60aae8281f0ab4073fb85e1/flink-runtime/src/main/java/org/apache/flink/runtime/leaderelection/LeaderElectionEventHandler.java#L46-L50]).



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